Kingston HyperX H2O 8GB Kit (2x4 GB) 2133MHz DDR3 PC3-17000 240-Pin Non-ECC CL11 DIMM XMP Water-cooled Desktop Memory KHX2133C11D3W1K2/8GX 8 GB Kit (2x4 GB modules) of DDR3 Desktop Memory Utilizes HyperX module with faster latency timing for higher performance and speed Specifically designed and tested for compatibility in various makes and models of desktop computers From the industry leader in PC memory Non-ECC 2133MHz 240-Pin CL11 Unbuffered XMP Water-cooled DIMM Intel XMP Ready Backed by a lifetime warranty and free technical support